National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast and Breezy

13°F

-11°C

Humidity 64%
Wind Speed N 23 G 32 mph
Barometer 29.82 in (1010.0 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 1 Feb 4:56 am EST
Extended Forecast for

Farmingville NY

Cold Weather Advisory February 1, 05:53am until February 1, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 05:53am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 12 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Scattered flurries before 7am. Mostly cloudy, with a high near 22. Wind chill values between -5 and 5. Blustery, with a north wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 22 °F

    Scattered
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 9 to 11 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind around 6 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Overnight
Scattered flurries. Cloudy, with a low around 12. Wind chill values between -5 and zero. North wind around 17 mph.
Sunday
Scattered flurries before 7am. Mostly cloudy, with a high near 22. Wind chill values between -5 and 5. Blustery, with a north wind 16 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.
Monday
Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 13. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Farmingville NY
 40.84°N 73.02°W (Elev. 194 ft)
Last Update:
4:21 am EST Feb 1, 2026
Forecast Valid:
5am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation